<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="center">
        <div class="title-container">
          <h3 class="title">欢迎登录CTS</h3>
        </div>

        <el-form-item prop="account">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="account"
            v-model="loginForm.account"
            placeholder="账号(手机号/邮箱)"
            name="account"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>

        <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">Login</el-button>

        <div class="tips">
          <span style="margin-right:20px;">username: learnAdmin</span>
          <span> password:  admin888</span>
        </div>
      </div>

    </el-form>
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    // const validateUsername = (rule, value, callback) => {
    //   if (!validUsername(value)) {
    //     callback(new Error('Please enter the correct user name'))
    //   } else {
    //     callback()
    //   }
    // }
    // const validatePassword = (rule, value, callback) => {
    //   if (value.length < 6) {
    //     callback(new Error('The password can not be less than 6 digits'))
    //   } else {
    //     callback()
    //   }
    // }

    return {
      loginForm: {
        account: 'learnAdmin@163.com',
        password: 'admin888'
      },
      loginRules: {
        account: [
          { required: true, trigger: 'blur', message: '输入不能为空' },
          { pattern: /^\w+@[a-z0-9]+.[a-z]{2,4}$/, message: '邮箱格式不正确', trigger: 'blur' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '输入不能为空' },
          { pattern: /^[a-zA-Z][a-zA-Z0-9]*$/, message: '密码格式不正确', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(async valid => {
        if (valid) {
          this.loading = true
          try {
            await this.$store.dispatch('user/login', this.loginForm)
            this.$router.push({ path: this.redirect || '/' })
            this.$message.success('登录成功')
            this.loading = false
          } catch (err) {
            this.loading = false
            console.log(err)
          }
        } else {
          this.$message.fail('校验未通过')
          return false
        }
      })
    }
  }
}
</script>
<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#000;
$cursor: #000;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#000;

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100%;
  width: 100%;
  background: url('http://124.223.14.236:7005/upload/image/2021/04/1617893259578.jpeg');
  background-size: cover;
  overflow: hidden;

  .login-form {
    background-color:#fff;
    position: relative;
    width: 520px;
    max-width: 100%;
    overflow: hidden;
  }
  ::v-deep .el-form-item__content{
    height: 40px;
    background-color: #fff;
  }
  .center{
    padding: 40px 30px 10px 30px;
    background-color: #fff;
  }
  .tips {
    font-size: 14px;
    color: #000;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
